Nightwalker is a literal translation of many terms (such as Sanskrit tāmisra, niśācara, and kṣaṇada) for the Rākṣasas, a class of Indian demons. It can also refer to sleepwalking.
Usage
See Special:Whatlinkshere/Etymology:Nightwalker for a list of articles using this term.
This is an etymology page: a page detailing the origins of terminology used in the series in regards to real world culture and history.